TLS Online TPP Program

#Question id: 1885


Maple bark stripper's disease is a hypersensitivity largely affecting the:

#Unit 4. Cell Communication and Cell Signaling
  1. Skin

  2. Kidneys

  3. Nervous system

  4. Lung

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TLS Online TPP Program

#Question id: 11611

#Unit 6. System Physiology – Plant

Given below are names of phytohormones in column I and their associated features/effects/ functions in column II.

                     

                    Column I

             ( Phytohormones)

                

                        Column II

                       ( Features)

 

A) Auxin

 

i)  Causes seed germinations

 

B) Cytokinin

 

ii)  Plant Stress Hormone that activates many defense responses

 

C) ABA

 

iii) Polar transport

 

D) Gibberellin

 

iv)  Delayed leaf senescence

 

E) Jasmonic acid

 

v) Causes seed dormancy

 

 







Which of the following combination from the above statements is  correct? 

TLS Online TPP Program

#Question id: 11612

#Unit 6. System Physiology – Plant

AMO-1618, which blocks GA biosynthesis at the cyclization step, what would be the A, B and C represents. where, the control shows no inhibitor;


TLS Online TPP Program

#Question id: 11613

#Unit 6. System Physiology – Plant

Gibberellin can induce auxin biosynthesis and that auxin can induce gibberellin biosynthesis. If the pea plants are decapitated, leading to  a cessation in stem elongation, which one of the following prediction about this experiment is correct?

TLS Online TPP Program

#Question id: 11614

#Unit 6. System Physiology – Plant

During the biosynthesis of GA many stages will be involved in this pathway, one of which is takes place in the plastids is GGPP is converted into the ent-kaurene via  two steps of pathway involving enzymes known as

TLS Online TPP Program

#Question id: 11615

#Unit 6. System Physiology – Plant

Biosynthesis of GA including various enzyme which are belong to______I_________ and are localized in the ______II__________.

TLS Online TPP Program

#Question id: 11616

#Unit 6. System Physiology – Plant

Inhibitors of the third stage of the gibberellin biosynthetic pathway y interfere with enzymes that utilize a cosubstrates__